# SDR CALA2025062605881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2025
- Submitted: June 26, 2025
- Operation: Air carrier
- Aircraft: [N39450](https://openairdocs.org/aircraft/N39450), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 40004
- Aircraft time: 39,241 hours, 14,509 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Faulted
- Location: Zone 800
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025062605881

## Discrepancy

AFT CARGO DOOR LIGHT WILL NOT EXTINGUISH. WHEN AFT CARGO DOOR IS CLOSED AND LOCKED, DOOR LIGHT STAYS ON. NEED TO APPLY MEL 5203A. MEL 5203A REJECTED. ITEM CORRECTED CLEANED CONNECTIONS AT WIRES SWITCH. REINSTALLED SWITCH, OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.